It's still not a not a scale kit, which is why I figure you posted the link. I still say the kit was inspired by the Spartan.

The Nike-X was not a missile, but a program that gave us the short range Sprint and the long range Spartan. The Spartan was developed from the Nike Zeus. When the Spartan finally flew, it had been rolled into the Sentinel program. The Sentinel program evolved into the Safeguard silo protection program.

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I love sanding.